How can i know the Export Advisors works with which time frame? 15min, 1hr, or 4hr timeframe?

[Deleted]  
the only way is to test it in the different time frames with optimization. Good luck
[Deleted]  
Thanks for 2 floors.

more about:

int Period( ) Returns the amount of minutes determining the used period (chart timeframe).

Print("Period is ", Period());

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Constant Value Description
PERIOD_M111 minute.
PERIOD_M555 minutes.
PERIOD_M151515 minutes.
PERIOD_M303030 minutes.
PERIOD_H1601 hour.
PERIOD_H42404 hour.
PERIOD_D11440Daily.
PERIOD_W110080Weekly.
PERIOD_MN143200Monthly.
0 (zero)0Timeframe used on the chart.